Tacna, AZ Weather & Growing Conditions
Today
78°F
Sunny
Sunny, with a high near 78. North northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Sunny | 0 to 5 mph NNW | 0% |
| Tonight | 51°F | Mostly Clear | 0 mph | 0% |
| Thursday | 79°F | Sunny | 0 to 5 mph NE | 0% |
| Thursday Night | 52°F | Mostly Clear | 0 mph | 0% |
| Friday | 81°F | Sunny | 0 to 5 mph N | 0% |
| Friday Night | 54°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 82°F | Sunny | 5 to 10 mph NNE | 0% |
| Saturday Night | 56°F | Mostly Clear | 5 to 10 mph NNE | 0% |
| Sunday | 82°F | Sunny | 10 to 15 mph NE | 0% |
| Sunday Night | 57°F | Partly Cloudy | 5 to 10 mph NE | 1% |
| Monday | 82°F | Mostly Sunny | 5 to 15 mph ENE | 1% |
| Monday Night | 56°F | Partly Cloudy | 0 mph | 1% |
| Tuesday | 82°F | Mostly Sunny | 0 to 5 mph ENE | 1% |
| Tuesday Night | 56°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Tacna, AZ
Last spring frost
Feb 13
First fall frost
Dec 1
Growing season
288 days
Hardiness zone
9b
Explore more for Tacna, AZ: full frost dates · planting calendar · Arizona frost dates
Climate data from the nearest NOAA station, Tacna 3 Ne, Az (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.